Best Materials Science Scientists in South Africa

The 2nd edition of ranking of the best scientists in the arena of Materials Science is based on data combined from multiple data sources including OpenAlex and CrossRef. The bibliometric data for estimating the citation-based metrics were gathered on 21-12-2022. Position in the ranking is based on a scholar’s D-index (Discipline H-index), which only includes papers and citation metrics for an examined discipline.
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The scope of our Materials Science research’s best researchers ranking is a credible account of leading scholars from the area of Materials Science, created using a detailed analysis of 166,880 scientists determined from various bibliometric data sources. For the discipline of Materials Science, over 17130 researchers were analysed.

What is D-index acceptance threshold for Materials Science
The D-index threshold for accepting a scientist to be examined is set to 40 if most of their publications are in the area of Materials Science. The approval criteria for scholars to be considered into the ranking of top scholars are based on the D-index, ratio of the contributions made within the selected area in addition to the awards and achievements of the scholars. The D-index threshold for including best researchers is set as an increment of 10 depending on the total number of researchers assessed for each area od study whilst guaranteeing that the top 1% of leading researchers are considered into the ranking. We estimate a proximity of 30% or less between a researcher’s general H-index and their D-index.

Other verification practices
Since our leading mission is to make sure that only genuine scientists are listed in ranking we believe that raw data are never meant to be a full means to quantify the contributions of scientists. Because of that we manually check every profile and cross-correlate it against publications in a wide range of reliable sources. While it’s not a metric defining a researcher’s position in our ranking, the amount of documents published in prominent journals and conference proceedings should constitute a reliable secondary implication of their contribution to research in a selected area of science. Position in the ranking is based on every scholar’s D-index using data compiled from OpenAlex and CrossRef, which are the most trustworthy and well-known bibliometric databases of this type accessible to the scientific community. A detailed explanation of our research procedures can be found on our methodology page.

Our mission
Our objective is to motivate scientists, entrepreneurs and administrative bodies worldwide to investigate where top experts are heading and to give an opportunity for the entire scientific community to discover who the leading experts in specific areas of study, in various countries, or even within research institutions are.
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Key findings for Materials Science
With 10 scientists South Africa ranks in spot 37 globally.

As far as institutions are concerned, the institution with the highest number of top researchers in South Africa is iThemba LABS with 2 scholars affiliated with it being listed in the Materials Science ranking. It is followed by Council for Scientific and Industrial Research with 2 scientists. Ranking thirds is iThemba LABS with 2 scientists.

Prominent researchers ranking in South Africa are affiliated with University of South Africa, Council for Scientific and Industrial Research, iThemba LABS, Stellenbosch University, University of the Witwatersrand, University of Cape Town, University of the Free State.

Professor Malik Maaza from University of South Africa is highlighted as the best scientist in South Africa in our ranking with a D-index of 81. Ranking on the second place in South Africa is Suprakas Sinha Ray from Council for Scientific and Industrial Research with a D-index of 74. The third spot in South Africa is occupied by K. Kaviyarasu from iThemba LABS with a D-index of 63.

The average D-index for the top 5% researchers is 81 against an average of 55 for all 10 scholars featured in our ranking.

The average number of publications in the field of Materials Science for the top 5% of researchers in the ranking is 555 against an average of 284 for all 10 researchers.

The average number of citations for the top 3% researchers is 12252 against an average of 12252 for all 10 scientists.

Useful resources:

D-Index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.
1405 World 1 National D-index 81 Citations 18,679 555
1952 World 2 National D-index 74 Citations 31,650 547
3790 World 3 National D-index 63 Citations 10,865 204
4248 World 4 National D-index 60 Citations 16,731 286
5504 World 5 National D-index 56 Citations 8,497 260
7655 World 6 National D-index 48 Citations 7,138 192
8306 World 7 National D-index 46 Citations 6,649 115
9107 World 8 National D-index 43 Citations 7,441 269
9178 World 9 National D-index 43 Citations 6,763 114
9396 World 10 National D-index 42 Citations 8,116 306

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